1985

7.0

1930

7.7

2017

7.4

1989

6.4

1984

6.4

1971

6.4

1960

6.3

1955

6.9

1967

3.8

2011

5.7

2015

0.0

2018

7.2

1975

5.0

1987

6.8

1999

6.4

2014

7.0

2007

4.5

1995

8.5

2000

3.8

1995

4.9